.authentication{
  box-sizing: border-box;
  .renzhengbox{
    width: 710px;
    height: 490px;
    margin: 20px;
  }
  .head_img{
    width: 120px;
    height: 120px;
    margin-top: 60px;
  }
  .sf{
    margin: 20px;
  }
  .shenqbtn{
    width: 200px;
    height: 60px;
    line-height: 60px;
    border-radius: 30px;
    background-color: #0dd13b;
    color: white;
    margin: auto;
    margin-top: 70px;
  }

  .lable{
    width: 160px;
  }
  .upschool_img{
    width: 600px;
    height: 310px;
    margin: auto auto 20px auto;
    border: 1px dashed #dddddd;
  }
  .inputchoose{
    width: 600px;
    height: 310px;
    position: relative;
    opacity: 0;
    z-index: 99;
  }
  .up_img{
    width: 93px;
    height: 80px;
    margin-top: 80px;
  }
  .upimg{
    position: absolute;
    top: 0;
    left: 0;
    width: 600px;
    height: 310px;
  }
  .btn{
    width: 100%;
    height: 94px;
    line-height: 94px;
    border-radius: 50px;
    background-color: #0dd13b;
    color: white;
    text-align: center;
    margin:100px auto;
  }
}
